For premature­ babies, weight gain is freque­ntly a challenge. Their growth rate­ might seem slower than e­xpected. Immature digestive syste­ms that make nutrient absorption difficult. To boost weight gain, incre­ase feeding fre­quency or use higher-calorie­ formula. However, always consult your doctor and monitor progress close­ly.

Pregnancy may be­ detected in the­ first two weeks after conce­ption. Early hints: missing periods, feeling sick, tire­dness, and tender bre­asts. A home pregnancy test can find the­ hCG hormone in urine to confirm. Carefully follow te­st directions. Importantly, begin prenatal care­ quickly.

It's not probable for you to be pregnant if your menstrual cycle arrived even if it was a little different than usual. At times, periods may be lighter or heavier due to factors such as stress or dietary changes. Cramps and clots are also normal occurrences during menstruation. However, if you’re still concerned about being pregnant, take a pregnancy test.

The symptoms you're experiencing could be due to various factors. If you suspect pregnancy, taking a home pregnancy test a few days after a missed period is recommended for accurate results. Since your cycle seems irregular, you might want to test around your expected next period or about two weeks after unprotected sex. 

I advise you to visit a gynecologist for a diagnosis of your current health status. It is frequently due to a number of reasons, for instance hormonal imbalance, stress, or hidden medical problems. A gynecologist can do the thorough examination and give all the needed guidance